Introduction - If you have any usage issues, please Google them yourself
The experiment uses windows visual C++ 6.0 software 7, the use mfc programming. LL (1) grammar is a top-down analysis, first accepts user input a grammar, then grammar are constructed for each nonterminal FIRST, FOLLOW and SELECT collection, according to the production of SELECT set to determine whether the LL (1) grammar, if it is LL (1) grammar, according SELECT set structure LL (1) analysis table.